John Grenham
https://www.johngrenham.com/findasurname.php?surname=hillockhas further information and variant spelling
1796
Flax Growers of Ireland, 1796 - County Armagh
Hillocks Andrew Tynan Armagh
1813
Return of the Registered Freeholders of £20 and 40 shillings. Barony of Tiranny.
source PRONI ecatalogue ref ARM/5/2/8.
446HillockAndrewTullyglushkeanEarl Of Caledon1818?
1823-1837
Tithes Applotment Books Hillock, Hillicks, Hillocks etc to glean the sort of information see an Hillock example in Co Monaghan
http://titheapplotmentbooks.nationalarchives.ie/reels/tab//004625684/004625684_00130.pdfbased upon the index work of the Irish Genealogy Hub’s listing for each parish
The relevant original books are in the Public Record Office of Northern Ireland (PRONI) Belfast. the information is a one liner describing their quality of land. it normally only refera to the tenant. It is a biased record.
Hillock, Andrew-- Townland : Mowillian Year : 1825- Derrynoose-Armagh
Hillock, William-- Townland : Drumgar Year : 1825- Derrynoose-Armagh
Hillock, Alexander-- Townland : Drumsollan Lower Year:1833- Eglish-Armagh
Hillock, James-- Townland : Bracknagh Year:1833- Eglish-Armagh
Hillock, James-- Townland : Dressaga Year:1833- Eglish-Armagh
Hillock, William-- Townland : Cullintrough Year:1833- Eglish-Armagh
Hillock, James-- Townland: Outlack Year: 1832- Lisnadill-Armagh
Hillock, Andrew-Townland: Tullyglush Kean Year: 1827- Tynan-Armagh
Hillock, Robert-Townland: Corfeighan Year: 1827- Tynan-Armagh
Hillock, Thomas-Townland: Killylea Town Year: 1827- Tynan-Armagh
Hillock, Thomas-Townland: Killylea Townland Year: 1827- Tynan-Armagh
some of these are comparable if you change irish acress to english acres in Griffiths
valuation via the askaboutireland website which also has the map locations showing boundaries etc
I will add in Keating from the tithes to help
Keating, Charles-- Townland: Lislea Year: 1832-Lisnadill-Armagh
Keating, Cormick-- Townland: Racerbry Year: 1825-Keady-Armagh
Keating, Francis-- Townland: Crossdaned Year: 1825-Keady-Armagh
Keating, Hu.-- Townland: Lisdrumard Year: 1832-Lisnadill-Armagh
Keating, James-- Townland : Maghery Year : 1825-Derrynoose-Armagh-
Keating, Mary-- Townland: Clea Year: 1825-Keady-Armagh
Keating, Michl.-- Townland : Maghery Year : 1825-Derrynoose-Armagh
Keating, Pat-- Townland: Darkley Year: 1825-Keady-Armagh
Keating, Patrick-- Townland : Shaneglish Year : 1830-Ballymore-Armagh
Keating, Peter-- Townland: Cargacloher Year: 1825-Keady-Armagh
Keating, Widow - Townland: Darkley Year: 1825--Keady-Armagh
Keaton, Ellen T: Broghadoey Y: 1833--Clonfeacle-Armagh
you wanted earlier sources only so I stop. in case your ancestry were also other christian denominations, The Guide to existing church records is downloadable as a pdf from PRONI website
Goodluck in your quest